Automobile heater



w. JEAN..

AUTOMOBlLE HEATER.

AfPucAnoN mw Amma, |920. l, .Patented'Allg 8,1922.

nur

wrtrnin man, or Lowntn, MASSACHUSETTS.

AUTOMOBILE HEATER.

Specification of Letters Patent.

lPatented Ang. 8, 19,22.

Original application filed July 21, 1919, Serial Nm 312,190. Divided and this application filed. April 23, f 192D. Serial No..376,112.

To all whom t may concern: Be it known that l, lViLrniD JEAN, a citizen ot the United States, Iresiding at Lowell,

in the county ot Middlesex and State or" Massachusetts, have invented certain new engine as a heating means; and the present application is a division ot my U. S. application Serial No. 312190, liled duly 21, 1919.

The object ot the invention is to provide an extremely simple and inexpensive, yet a highly eliicient, durable and reliable heating device which may be accurately controlled so as to heat the car to the desired teinpera` ture.

Nith the foregoing in view, the invention resides in the novel construction of the heater as hereinafter described and claimed, the descriptive matter being supplemented by the accompanying drawings.

Fig. 1 is a horizontal section of a heater constructed in accordance with my invention.

Figs. 2 and 3 are respectively transverse and longitudinal sections cut on the planes 1 indicated by the lines 2-2 and 3 3 of Fig. 1.

ln the drawings above briefly described, the numeral 6 designates a shallow sheet metal casing preferably having an outstanding flange 7 at its upper edge, the top of said casing being provided with a grating 8 which may be secured to said flange byholts or the like 9, and a suit-able packing strip 10 is by preference clamped between the grating and the flange. l

Located wit-hin and spaced from all sides of the casing' 6, is a shallow gas-circulating casing 11 which is preferably flanged at its upper edge as at 12 for attachment to a cover plate 13 which may well be secured in place by bolts 141, a suitable packing 15 being provided between the plate and flange as shown. Flanged couplings 16 are riveted or otherwise secured to the bottom ot the casing 11 and serve to connect a vflexible heat supply pipe 5 and .atlexible exhaust pipe 17 to the heater. One oit these pipes communicates vwith the casing 11 at oneycorner, and the other at the diagonally opposite cor4 ner and'suitable battle plates 18 extend trom opposite ends of said casing to force the hot exhaust gases to take a tortuous course, so

that they will produce maximum heating etliciency. f Thetlexible pipes 5 and 17 are not secured to the casing 6, being merely )passed through openings therein.

l For properly supporting thecasing 11 within the casing 6, l provide a plurality oi hanger barsk 19 whose ends are bent upwardly at 2O and then extended laterally outward at 21. The lateral'portions ci these bars are bolted against the lower side of the grating 8 and may well be clamped between said grating and the flange as shown, and

the horizontal intermediate portions ot the bars in question may be secured to the casing 11, either by bolts' le or otherwise. The bars 19 form the sole supporting means for the casing 11. f

The front side wall and bottom of the casing 6 are provided with an appropriate number of air inlet openings 22 which may be controlled by suit-able dampers 23. By properly Vpositioning' these dampers, the amount of cold air entering the casing 6 around the exhaust heated casing 11, may be so regulated as to control the tempera ture of the machine. This kcontrolling may also be effected by directing more or less ot the hot exhaust gases through the device, by` means of an appropriate valve, kwhich however is not disclosed in the present case since it constitutes the subject matter oi' another application. v The, heater is suitably installed, preferably in thev floor of an automobile and the flexible heat supply pipe is connected with the exhaust Vmanifold by the above mentionedv valve or other appropriate means. It willthus be seen that the exhaust gases may vbe directedthrough the casing 11 and that they will take a tortuous course so that the casing is highly-heated. It will thus be seen that the air entering the openings 22 the grating Sinto the machine, and by properly operating the slides 23, so that 'more or less fresh air may be admitted, the temperature of the car may be readily controlled.

ico

'a'heu the use ot' the heater is not needed,

the exhaust gases are allowed to eseape directly through the usual exhaust pipe and muttler Without shunting through the gas heated device.

By constructing4 the heater in thek novel manner shown and described, it may hc easily and inexpensively irianuiictured and marketed', and may be installed with ease on numerous makes of machines, and on account of these advantages, such details are preferably followed. l Wish it understood, however, that Within the scope ot the irvention as claimed7 numerous minor changes may Well he made.

I claim:

l. An automobile heater' comprising a shallow casing having air inlet means, a grating closing the top of said casing, a second and relative small shallow casing located in said first named casing and having an exhaust gas inlet and an outlet, and a plurality of supporting hanger-bars secured to the top of said second Casing, the ends otl said bars being bent upwardly and laterally and secured against said grating7 thereby to secure said second casingin place.

2. An automobile heater comprising a shallow easing provided at its upper elge with a lateral flange, a grating secured to said flange, a relatively small shallow casing; Within said lirst named casing, a plurality of horizontal bars secured to the upper side ot said relatively small casing and bent upwardly at the ends thereof to ,term support ing arms, the upper ends ot said arms beingq bent laterally outward and secured between said grating and the lateral flange of said first named easing', said relatively small casing having an exhaust gas inlet and an ex haust gas outlet.

"in testimony whereof l have hereunto set my hand.

ILFRD JEllil, 

